Where does “osapuolilleen” come from?

osapuolilleen (Finnish) comes from Finnish puolilleen, from Finnish -Vn, from Finnish -hVn, from Proto-Finnic -hen, from Proto-Finnic -sen — Illative case ending.

Ancestry of “osapuolilleen”, step by step

osapuolilleen traces back through two separate lines of ancestry.

via Finnish puolilleen

StepLanguageWordMeaning
1Finnishpuolilleento half
2Finnish-VnForms the illative singular case
3Finnish-hVnForms the illative singular case
4Proto-Finnic-hen
5Proto-Finnic-senIllative case ending

via Finnish osa

StepLanguageWordMeaning
1Finnishosapart; piece; proportion, section
2Proto-Finnicosapart
3Proto-Uraliconćapart, share (of meat?)
Every word from Proto-Finnic -senEvery word from Proto-Finnic -henEvery word from Finnish -Vn
osapuolilleen — Etymology, Origin & Word History | Etymology Explorer